Table 2

Comparison of segment viability in three groups divided by left ventricular ejection fraction

Characteristics of segmentsLVEF ≤20% (23 patients)LVEF 21–30% (54 patients)LVEF >30% (27 patients)
*p<0.05; †p<0.005 v LVEF ≤20%.
FDG, fluorodeoxyglucose; LVEF, left ventricular ejection fraction.
Dysfunctional14.1 (2.0)10.9 (4.5)†9.7 (3.9)
Viable by Tc-99m6.4 (3.7)4.6 (3.8)*3.8 (3.2)
Viable by Tc-99m + FDG7.2 (4.0)5.1 (4.1)*4.2 (3.2)